New York, 1945. Don Vito Corleone is the head of one of the most powerful families in the Italian-American Mafia. When he refuses to become involved in the drug trade, a war breaks out between rival clans, threatening the Corleone family’s future. His youngest son, Michael, has always kept his distance from the family’s criminal activities. But as events unfold, he is gradually drawn into a world of power, violence and betrayal.